#!/bin/bash

# Slackware build script for graphite-web

# Copyright 2015  Mario Preksavec, Zagreb, Croatia
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=graphite-web
VERSION=${VERSION:-0.9.15}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "x86_64" ]; then
  LIBDIRSUFFIX="64"
else
  LIBDIRSUFFIX=""
fi

PYTHON_BRANCH=$(python -V 2>&1 | cut -d" " -f2 | cut -d. -f1,2)

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

# We don't have a RedHat system
patch -p1 <$CWD/patches/setup.cfg.diff

# Change path to wsgi
patch -p1 <$CWD/patches/graphite.wsgi.example.diff

# Patches thanks to Debian folks!
patch -p1 <$CWD/patches/local_settings.patch
patch -p1 <$CWD/patches/settings_debian.patch
patch -p1 <$CWD/patches/remove_internal_logrotate.patch

# Installer script needs some fixing
patch -p1 <$CWD/patches/setup.py.diff

python setup.py install --root=$PKG --prefix=/usr

# Need some dirs
mkdir -p $PKG/etc/{httpd/extra,logrotate.d} $PKG/usr/{bin,share/$PRGNAM} \
  $PKG/var/log/graphite
chown graphite:graphite $PKG/var/log/graphite

# Add apache config
cat $CWD/$PRGNAM.conf > $PKG/etc/httpd/extra/$PRGNAM.conf.new

# Scripts and crontab mostly from Debian
install -m0755 -oroot -groot -t $PKG/usr/bin $CWD/scripts/graphite-manage \
  $CWD/scripts/graphite-build-search-index
install -D -m0755 -oroot -groot $CWD/$PRGNAM.cron \
  $PKG/etc/cron.hourly/graphite-build-search-index
cat $CWD/$PRGNAM.logrotate > $PKG/etc/logrotate.d/$PRGNAM.new

# Move wsgi script
mv $PKG/usr/conf/graphite.wsgi.example $PKG/usr/share/$PRGNAM/graphite.wsgi

# Configuration goes into /etc/graphite
mv $PKG/usr/conf $PKG/etc/graphite
for i in $PKG/etc/graphite/*.example ; do mv $i ${i/.example/.new} ; done
cat webapp/graphite/local_settings.py.example \
  > $PKG/etc/graphite/local_settings.py.new

# Move webapp dir
mv $PKG/usr/webapp $PKG/usr/share/$PRGNAM/static

# Python stuff
mkdir -p $PKG/usr/lib$LIBDIRSUFFIX/python$PYTHON_BRANCH
mv $PKG/opt/graphite/webapp \
  $PKG/usr/lib$LIBDIRSUFFIX/python$PYTHON_BRANCH/site-packages

# Cruft removal
rm -rf $PKG/opt

# Manpages also from Debian
mkdir -p $PKG/usr/man/man1
cp $CWD/man1/*.1 $PKG/usr/man/man1
find $PKG/usr/man -type f -exec gzip -9 {} \;

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a INSTALL LICENSE README.md $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE
